/**
* \copyright
* MIT License
*
* Copyright (c) 2019 Infineon Technologies AG
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE
*
* \endcopyright
*
* \author Infineon Technologies AG
*
* \file optiga_trust.c
*
* \brief   This file proivdes general OPTIGA init sequence example.
*
* \ingroup  grOptigaExample
*
* @{
*/

#include <stdlib.h>
#include <stdio.h>
#include "optiga/optiga_util.h"
#include "optiga/common/optiga_lib_logger.h"
#include "optiga/pal/pal_os_event.h"
#include "optiga/ifx_i2c/ifx_i2c_config.h"
#include "mbedtls/base64.h"

pal_status_t pal_os_event_init(void);

/**
 * Callback when optiga_util_xxxx operation is completed asynchronously
 */
static volatile optiga_lib_status_t optiga_lib_status;
static void optiga_util_callback(void * context, optiga_lib_status_t return_status)
{
    optiga_lib_status = return_status;
}

void read_certificate_from_optiga(char * cert_pem, uint16_t * cert_pem_length)
{
    size_t  ifx_cert_b64_len = 0;
    uint8_t ifx_cert_b64_temp[1200];
    uint16_t offset_to_write = 0, offset_to_read = 0;
    uint16_t size_to_copy = 0;
    optiga_lib_status_t return_status;

    optiga_util_t * me_util = NULL;
    uint8_t ifx_cert_hex[1024];
    //uint8_t ifx_cert_b64_temp[1200];
    //size_t  ifx_cert_b64_len = 0;
    uint16_t  ifx_cert_hex_len = sizeof(ifx_cert_hex);
    
    do
    {
        //Create an instance of optiga_util to read the certificate from OPTIGA.
        me_util = optiga_util_create(0, optiga_util_callback, NULL);
        if(!me_util)
        {
            OPTIGA_UTIL_LOG_MESSAGE("optiga_util_create failed !!!");
            break;
        }
        optiga_lib_status = OPTIGA_LIB_BUSY;
        return_status = optiga_util_read_data(me_util, CONFIG_OPTIGA_TRUST_M_CERT_SLOT, 0, ifx_cert_hex, &ifx_cert_hex_len);
        if (OPTIGA_LIB_SUCCESS != return_status)
        {
            //optiga_util_read_data api returns error !!!
            OPTIGA_UTIL_LOG_MESSAGE ("optiga_util_read_data api returns error !!!");
            break;
        }
            
        while (optiga_lib_status == OPTIGA_LIB_BUSY);
        if (OPTIGA_LIB_SUCCESS != optiga_lib_status)
        {
            //optiga_util_read_data failed
            OPTIGA_UTIL_LOG_MESSAGE ("optiga_util_read_data failed");
            break;
        }
        //ESP_LOG_BUFFER_HEX("OPTIGA Certificate", ifx_cert_hex, ifx_cert_hex_len);
        
        //convert to PEM format
        printf("read ifx cer\r\n");
        mbedtls_base64_encode((unsigned char *)ifx_cert_b64_temp, sizeof(ifx_cert_b64_temp),
                              &ifx_cert_b64_len,
        //in case of TLS chain format of ceritificate
        //                    ifx_cert_hex + 9, ifx_cert_hex_len - 9);
                              ifx_cert_hex , ifx_cert_hex_len);

        memcpy(cert_pem, "-----BEGIN CERTIFICATE-----\n", 28);
        offset_to_write += 28;
        
       
        //Properly copy certificate and format it as pkcs expects
        for (offset_to_read = 0; offset_to_read < ifx_cert_b64_len;)
        {
            // The last block of data usually is less than 64, thus we need to find the leftover
            if ((offset_to_read + 64) >= ifx_cert_b64_len)
                size_to_copy = ifx_cert_b64_len - offset_to_read;
            else
                size_to_copy = 64;
            memcpy(cert_pem + offset_to_write, ifx_cert_b64_temp + offset_to_read, size_to_copy);
            offset_to_write += size_to_copy;
            offset_to_read += size_to_copy;
            cert_pem[offset_to_write] = '\n';
            offset_to_write++;
        }

        memcpy(cert_pem + offset_to_write, "-----END CERTIFICATE-----\n\0", 27);

        *cert_pem_length = offset_to_write + 27;
		
		//to print certificate 
       /* for(int i=0; i<1200; i++)
        {
            printf("%c", cert_pem[i]);
        }   */    
    } while(0);

    //me_util instance to be destroyed 
    if (me_util)
    {
        optiga_util_destroy(me_util);
    }
}

void read_trust_anchor_from_optiga(uint16_t oid, char * cert_pem, uint16_t * cert_pem_length)
{
    size_t  ifx_cert_b64_len = 0;
    uint8_t ifx_cert_b64_temp[1200];
    uint16_t offset_to_write = 0, offset_to_read = 0;
    uint16_t size_to_copy = 0;
    optiga_lib_status_t return_status;

    optiga_util_t * me_util = NULL;
    uint8_t ifx_cert_hex[1300];
    uint16_t  ifx_cert_hex_len = sizeof(ifx_cert_hex);

    do
    {
        //Create an instance of optiga_util to read the certificate from OPTIGA.
        me_util = optiga_util_create(0, optiga_util_callback, NULL);
        if(!me_util)
        {
            OPTIGA_UTIL_LOG_MESSAGE ("optiga_util_create failed !!!");
            break;
        }
        optiga_lib_status = OPTIGA_LIB_BUSY;   
        return_status = optiga_util_read_data(me_util, oid, 0, ifx_cert_hex, &ifx_cert_hex_len);
        if (OPTIGA_LIB_SUCCESS != return_status)
        {
            //optiga_util_read_data api returns error !!!
            OPTIGA_UTIL_LOG_MESSAGE ("optiga_util_read_data api for trust anchor returns error !!!");
            break;
        }
            
        while (optiga_lib_status == OPTIGA_LIB_BUSY)
		{
			pal_os_timer_delay_in_milliseconds(30);
		}
		
        if (OPTIGA_LIB_SUCCESS != optiga_lib_status)
        {
            //optiga_util_read_data failed
            OPTIGA_UTIL_LOG_MESSAGE ("optiga_util_read_data failed for reading trust anchor");
            break;
        }

        //ESP_LOG_BUFFER_HEX("OPTIGA Certificate", ifx_cert_hex, ifx_cert_hex_len);
        
        //convert to PEM format
       // printf("read ifx cer\r\n");
        mbedtls_base64_encode((unsigned char *)ifx_cert_b64_temp, sizeof(ifx_cert_b64_temp),
                              &ifx_cert_b64_len,
        //in case of TLS chain format of ceritificate
        //                    ifx_cert_hex + 9, ifx_cert_hex_len - 9);
                              ifx_cert_hex, ifx_cert_hex_len);

        memcpy(cert_pem, "-----BEGIN CERTIFICATE-----\n", 28);
        offset_to_write += 28;
        
        //TBD: Verify the given cert_pem length against the ifx_cert_b64_len after conversion
        
        //Properly copy certificate and format it as pkcs expects
        for (offset_to_read = 0; offset_to_read < ifx_cert_b64_len;)
        {
            // The last block of data usually is less than 64, thus we need to find the leftover
            if ((offset_to_read + 64) >= ifx_cert_b64_len)
                size_to_copy = ifx_cert_b64_len - offset_to_read;
            else
                size_to_copy = 64;
            memcpy(cert_pem + offset_to_write, ifx_cert_b64_temp + offset_to_read, size_to_copy);
            offset_to_write += size_to_copy;
            offset_to_read += size_to_copy;
            cert_pem[offset_to_write] = '\n';
            offset_to_write++;
        }

        memcpy(cert_pem + offset_to_write, "-----END CERTIFICATE-----\n\0", 27);

        *cert_pem_length = offset_to_write + 27;
       /* for(int i=0; i<1200; i++)
        {
            printf("%c", cert_pem[i]);
        }*/       
    } while(0);

    //me_util instance to be destroyed 
    if (me_util)
    {
        optiga_util_destroy(me_util);
    }
}

void write_data_object (uint16_t oid, const uint8_t * p_data, uint16_t length)
{
    optiga_util_t * me_util = NULL;
    optiga_lib_status_t return_status;
    
    do
    {
        //Create an instance of optiga_util to open the application on OPTIGA.
        me_util = optiga_util_create(0, optiga_util_callback, NULL);
        if(!me_util)
        {
            OPTIGA_UTIL_LOG_MESSAGE ("optiga_util_create failed !!!");
            break;
        }

        optiga_lib_status = OPTIGA_LIB_BUSY;
        return_status = optiga_util_write_data(me_util,
                                               oid,
                                               OPTIGA_UTIL_ERASE_AND_WRITE,
                                               0,
                                               p_data,
                                               length);
        {
            if (OPTIGA_LIB_SUCCESS != return_status)
            {
                OPTIGA_UTIL_LOG_MESSAGE ("optiga_util_wirte_data api returns error !!!");
                break;
            }

            while (OPTIGA_LIB_BUSY == optiga_lib_status)
            {
                //Wait until the optiga_util_write_data operation is completed
            }

            if (OPTIGA_LIB_SUCCESS != optiga_lib_status)
            {
                OPTIGA_UTIL_LOG_MESSAGE ("optiga_util_write_data failed");
                return_status = optiga_lib_status;
                break;
            }
			else
			{
				OPTIGA_UTIL_LOG_MESSAGE ("optiga_util_write_data successful");
			}
        }
    } while (0);

    //me_util instance can be destroyed 
    //if no close_application w.r.t hibernate is required to be performed
    if (me_util)
    {
        optiga_util_destroy(me_util);
    }
}

static void write_device_certificate (void)
{
    //Device certificate
    const uint8_t certificate [] = {
        0x30, 0x82, 0x02, 0x3E, 0x30, 0x82, 0x01, 0xE4, 0xA0, 0x03, 0x02, 0x01, 0x02, 0x02, 0x08, 0x66, 
        0xAD, 0x36, 0x73, 0xED, 0xA4, 0x34, 0x24, 0x30, 0x0A, 0x06, 0x08, 0x2A, 0x86, 0x48, 0xCE, 0x3D, 
        0x04, 0x03, 0x02, 0x30, 0x77, 0x31, 0x0B, 0x30, 0x09, 0x06, 0x03, 0x55, 0x04, 0x06, 0x13, 0x02, 
        0x44, 0x45, 0x31, 0x21, 0x30, 0x1F, 0x06, 0x03, 0x55, 0x04, 0x0A, 0x0C, 0x18, 0x49, 0x6E, 0x66, 
        0x69, 0x6E, 0x65, 0x6F, 0x6E, 0x20, 0x54, 0x65, 0x63, 0x68, 0x6E, 0x6F, 0x6C, 0x6F, 0x67, 0x69, 
        0x65, 0x73, 0x20, 0x41, 0x47, 0x31, 0x13, 0x30, 0x11, 0x06, 0x03, 0x55, 0x04, 0x0B, 0x0C, 0x0A, 
        0x4F, 0x50, 0x54, 0x49, 0x47, 0x41, 0x28, 0x54, 0x4D, 0x29, 0x31, 0x30, 0x30, 0x2E, 0x06, 0x03, 
        0x55, 0x04, 0x03, 0x0C, 0x27, 0x49, 0x6E, 0x66, 0x69, 0x6E, 0x65, 0x6F, 0x6E, 0x20, 0x4F, 0x50, 
        0x54, 0x49, 0x47, 0x41, 0x28, 0x54, 0x4D, 0x29, 0x20, 0x54, 0x72, 0x75, 0x73, 0x74, 0x20, 0x4D, 
        0x20, 0x54, 0x65, 0x73, 0x74, 0x20, 0x43, 0x41, 0x20, 0x30, 0x30, 0x30, 0x30, 0x1E, 0x17, 0x0D, 
        0x31, 0x39, 0x30, 0x38, 0x30, 0x33, 0x31, 0x31, 0x33, 0x39, 0x30, 0x30, 0x5A, 0x17, 0x0D, 0x32, 
        0x39, 0x30, 0x38, 0x30, 0x33, 0x31, 0x31, 0x33, 0x39, 0x30, 0x30, 0x5A, 0x30, 0x50, 0x31, 0x0B, 
        0x30, 0x09, 0x06, 0x03, 0x55, 0x04, 0x06, 0x13, 0x02, 0x49, 0x4E, 0x31, 0x0B, 0x30, 0x09, 0x06, 
        0x03, 0x55, 0x04, 0x07, 0x13, 0x02, 0x4C, 0x4E, 0x31, 0x0B, 0x30, 0x09, 0x06, 0x03, 0x55, 0x04, 
        0x0A, 0x13, 0x02, 0x4F, 0x4E, 0x31, 0x0B, 0x30, 0x09, 0x06, 0x03, 0x55, 0x04, 0x0B, 0x13, 0x02, 
        0x4F, 0x55, 0x31, 0x1A, 0x30, 0x18, 0x06, 0x03, 0x55, 0x04, 0x03, 0x0C, 0x11, 0x49, 0x6E, 0x66, 
        0x69, 0x6E, 0x65, 0x6F, 0x6E, 0x5F, 0x49, 0x6F, 0x54, 0x5F, 0x4E, 0x6F, 0x64, 0x65, 0x30, 0x59, 
        0x30, 0x13, 0x06, 0x07, 0x2A, 0x86, 0x48, 0xCE, 0x3D, 0x02, 0x01, 0x06, 0x08, 0x2A, 0x86, 0x48, 
        0xCE, 0x3D, 0x03, 0x01, 0x07, 0x03, 0x42, 0x00, 0x04, 0x55, 0x1E, 0x0A, 0xD9, 0x01, 0x19, 0xD0, 
        0x44, 0x3E, 0xBD, 0xE4, 0x4B, 0xEC, 0xA3, 0xA2, 0xE9, 0x07, 0x08, 0xD2, 0x0A, 0x39, 0x20, 0xE1, 
        0x0C, 0x69, 0xD7, 0xD6, 0xAE, 0xA5, 0xDD, 0x6F, 0x41, 0x42, 0xE2, 0x73, 0x51, 0x0C, 0x6D, 0xD0, 
        0x05, 0x02, 0x60, 0x5F, 0x6D, 0x45, 0x35, 0x4F, 0xCC, 0x7F, 0x0C, 0xDB, 0x1E, 0xBB, 0xDD, 0x4D, 
        0x8E, 0x40, 0xBC, 0x55, 0x65, 0xD2, 0x7A, 0x2F, 0x81, 0xA3, 0x81, 0x80, 0x30, 0x7E, 0x30, 0x0C, 
        0x06, 0x03, 0x55, 0x1D, 0x13, 0x01, 0x01, 0xFF, 0x04, 0x02, 0x30, 0x00, 0x30, 0x1D, 0x06, 0x03, 
        0x55, 0x1D, 0x0E, 0x04, 0x16, 0x04, 0x14, 0xB9, 0x46, 0xB7, 0x00, 0x01, 0xD9, 0x5E, 0xFC, 0x80, 
        0x42, 0x0E, 0xED, 0x6A, 0xF9, 0x0B, 0x53, 0x79, 0xA7, 0x4F, 0xAE, 0x30, 0x1F, 0x06, 0x03, 0x55, 
        0x1D, 0x23, 0x04, 0x18, 0x30, 0x16, 0x80, 0x14, 0x53, 0x1B, 0x46, 0x32, 0xF2, 0xBA, 0x1B, 0xEC, 
        0x35, 0x23, 0xB0, 0xC6, 0x84, 0xE2, 0xBC, 0x7F, 0x11, 0xDA, 0xA2, 0x2E, 0x30, 0x0E, 0x06, 0x03, 
        0x55, 0x1D, 0x0F, 0x01, 0x01, 0xFF, 0x04, 0x04, 0x03, 0x02, 0x07, 0x80, 0x30, 0x1E, 0x06, 0x09, 
        0x60, 0x86, 0x48, 0x01, 0x86, 0xF8, 0x42, 0x01, 0x0D, 0x04, 0x11, 0x16, 0x0F, 0x78, 0x63, 0x61, 
        0x20, 0x63, 0x65, 0x72, 0x74, 0x69, 0x66, 0x69, 0x63, 0x61, 0x74, 0x65, 0x30, 0x0A, 0x06, 0x08, 
        0x2A, 0x86, 0x48, 0xCE, 0x3D, 0x04, 0x03, 0x02, 0x03, 0x48, 0x00, 0x30, 0x45, 0x02, 0x21, 0x00, 
        0x98, 0x00, 0x55, 0x8D, 0x58, 0xE9, 0x24, 0xB9, 0x69, 0x1B, 0x12, 0x0D, 0x4E, 0xE0, 0xAB, 0xF3, 
        0x00, 0xDA, 0x14, 0x3A, 0x39, 0x05, 0xE7, 0xC8, 0xCE, 0xBD, 0x07, 0x0F, 0x7D, 0x03, 0xEA, 0x54, 
        0x02, 0x20, 0x45, 0x77, 0x6C, 0x77, 0xD0, 0xCC, 0x51, 0xF8, 0xD5, 0x77, 0x5C, 0xE7, 0xBC, 0xED, 
        0x56, 0xD8, 0x39, 0xF9, 0x98, 0x8C, 0x06, 0xFF, 0x56, 0x73, 0x79, 0x04, 0x1E, 0x37, 0xAB, 0x5F, 
        0x8B, 0x73, 
    };
    
    write_data_object (CONFIG_OPTIGA_TRUST_M_CERT_SLOT, certificate, sizeof(certificate));
}

static void write_optiga_trust_anchor(void)
{

#if 0
	/* DigiCert Baltimore Root --Used Globally--*/
	// This cert should be used when connecting to Azure IoT on the Azure Cloud available globally. 
	const uint8_t trust_anchor[] = {
		0x30, 0x82, 0x03, 0x77, 0x30, 0x82, 0x02, 0x5F, 0xA0, 0x03, 0x02, 0x01, 0x02, 0x02, 0x04, 0x02, 
		0x00, 0x00, 0xB9, 0x30, 0x0D, 0x06, 0x09, 0x2A, 0x86, 0x48, 0x86, 0xF7, 0x0D, 0x01, 0x01, 0x05, 
		0x05, 0x00, 0x30, 0x5A, 0x31, 0x0B, 0x30, 0x09, 0x06, 0x03, 0x55, 0x04, 0x06, 0x13, 0x02, 0x49, 
		0x45, 0x31, 0x12, 0x30, 0x10, 0x06, 0x03, 0x55, 0x04, 0x0A, 0x13, 0x09, 0x42, 0x61, 0x6C, 0x74, 
		0x69, 0x6D, 0x6F, 0x72, 0x65, 0x31, 0x13, 0x30, 0x11, 0x06, 0x03, 0x55, 0x04, 0x0B, 0x13, 0x0A, 
		0x43, 0x79, 0x62, 0x65, 0x72, 0x54, 0x72, 0x75, 0x73, 0x74, 0x31, 0x22, 0x30, 0x20, 0x06, 0x03, 
		0x55, 0x04, 0x03, 0x13, 0x19, 0x42, 0x61, 0x6C, 0x74, 0x69, 0x6D, 0x6F, 0x72, 0x65, 0x20, 0x43, 
		0x79, 0x62, 0x65, 0x72, 0x54, 0x72, 0x75, 0x73, 0x74, 0x20, 0x52, 0x6F, 0x6F, 0x74, 0x30, 0x1E, 
		0x17, 0x0D, 0x30, 0x30, 0x30, 0x35, 0x31, 0x32, 0x31, 0x38, 0x34, 0x36, 0x30, 0x30, 0x5A, 0x17, 
		0x0D, 0x32, 0x35, 0x30, 0x35, 0x31, 0x32, 0x32, 0x33, 0x35, 0x39, 0x30, 0x30, 0x5A, 0x30, 0x5A, 
		0x31, 0x0B, 0x30, 0x09, 0x06, 0x03, 0x55, 0x04, 0x06, 0x13, 0x02, 0x49, 0x45, 0x31, 0x12, 0x30, 
		0x10, 0x06, 0x03, 0x55, 0x04, 0x0A, 0x13, 0x09, 0x42, 0x61, 0x6C, 0x74, 0x69, 0x6D, 0x6F, 0x72, 
		0x65, 0x31, 0x13, 0x30, 0x11, 0x06, 0x03, 0x55, 0x04, 0x0B, 0x13, 0x0A, 0x43, 0x79, 0x62, 0x65, 
		0x72, 0x54, 0x72, 0x75, 0x73, 0x74, 0x31, 0x22, 0x30, 0x20, 0x06, 0x03, 0x55, 0x04, 0x03, 0x13, 
		0x19, 0x42, 0x61, 0x6C, 0x74, 0x69, 0x6D, 0x6F, 0x72, 0x65, 0x20, 0x43, 0x79, 0x62, 0x65, 0x72, 
		0x54, 0x72, 0x75, 0x73, 0x74, 0x20, 0x52, 0x6F, 0x6F, 0x74, 0x30, 0x82, 0x01, 0x22, 0x30, 0x0D, 
		0x06, 0x09, 0x2A, 0x86, 0x48, 0x86, 0xF7, 0x0D, 0x01, 0x01, 0x01, 0x05, 0x00, 0x03, 0x82, 0x01, 
		0x0F, 0x00, 0x30, 0x82, 0x01, 0x0A, 0x02, 0x82, 0x01, 0x01, 0x00, 0xA3, 0x04, 0xBB, 0x22, 0xAB, 
		0x98, 0x3D, 0x57, 0xE8, 0x26, 0x72, 0x9A, 0xB5, 0x79, 0xD4, 0x29, 0xE2, 0xE1, 0xE8, 0x95, 0x80, 
		0xB1, 0xB0, 0xE3, 0x5B, 0x8E, 0x2B, 0x29, 0x9A, 0x64, 0xDF, 0xA1, 0x5D, 0xED, 0xB0, 0x09, 0x05, 
		0x6D, 0xDB, 0x28, 0x2E, 0xCE, 0x62, 0xA2, 0x62, 0xFE, 0xB4, 0x88, 0xDA, 0x12, 0xEB, 0x38, 0xEB, 
		0x21, 0x9D, 0xC0, 0x41, 0x2B, 0x01, 0x52, 0x7B, 0x88, 0x77, 0xD3, 0x1C, 0x8F, 0xC7, 0xBA, 0xB9, 
		0x88, 0xB5, 0x6A, 0x09, 0xE7, 0x73, 0xE8, 0x11, 0x40, 0xA7, 0xD1, 0xCC, 0xCA, 0x62, 0x8D, 0x2D, 
		0xE5, 0x8F, 0x0B, 0xA6, 0x50, 0xD2, 0xA8, 0x50, 0xC3, 0x28, 0xEA, 0xF5, 0xAB, 0x25, 0x87, 0x8A, 
		0x9A, 0x96, 0x1C, 0xA9, 0x67, 0xB8, 0x3F, 0x0C, 0xD5, 0xF7, 0xF9, 0x52, 0x13, 0x2F, 0xC2, 0x1B, 
		0xD5, 0x70, 0x70, 0xF0, 0x8F, 0xC0, 0x12, 0xCA, 0x06, 0xCB, 0x9A, 0xE1, 0xD9, 0xCA, 0x33, 0x7A, 
		0x77, 0xD6, 0xF8, 0xEC, 0xB9, 0xF1, 0x68, 0x44, 0x42, 0x48, 0x13, 0xD2, 0xC0, 0xC2, 0xA4, 0xAE, 
		0x5E, 0x60, 0xFE, 0xB6, 0xA6, 0x05, 0xFC, 0xB4, 0xDD, 0x07, 0x59, 0x02, 0xD4, 0x59, 0x18, 0x98, 
		0x63, 0xF5, 0xA5, 0x63, 0xE0, 0x90, 0x0C, 0x7D, 0x5D, 0xB2, 0x06, 0x7A, 0xF3, 0x85, 0xEA, 0xEB, 
		0xD4, 0x03, 0xAE, 0x5E, 0x84, 0x3E, 0x5F, 0xFF, 0x15, 0xED, 0x69, 0xBC, 0xF9, 0x39, 0x36, 0x72, 
		0x75, 0xCF, 0x77, 0x52, 0x4D, 0xF3, 0xC9, 0x90, 0x2C, 0xB9, 0x3D, 0xE5, 0xC9, 0x23, 0x53, 0x3F, 
		0x1F, 0x24, 0x98, 0x21, 0x5C, 0x07, 0x99, 0x29, 0xBD, 0xC6, 0x3A, 0xEC, 0xE7, 0x6E, 0x86, 0x3A, 
		0x6B, 0x97, 0x74, 0x63, 0x33, 0xBD, 0x68, 0x18, 0x31, 0xF0, 0x78, 0x8D, 0x76, 0xBF, 0xFC, 0x9E, 
		0x8E, 0x5D, 0x2A, 0x86, 0xA7, 0x4D, 0x90, 0xDC, 0x27, 0x1A, 0x39, 0x02, 0x03, 0x01, 0x00, 0x01, 
		0xA3, 0x45, 0x30, 0x43, 0x30, 0x1D, 0x06, 0x03, 0x55, 0x1D, 0x0E, 0x04, 0x16, 0x04, 0x14, 0xE5, 
		0x9D, 0x59, 0x30, 0x82, 0x47, 0x58, 0xCC, 0xAC, 0xFA, 0x08, 0x54, 0x36, 0x86, 0x7B, 0x3A, 0xB5, 
		0x04, 0x4D, 0xF0, 0x30, 0x12, 0x06, 0x03, 0x55, 0x1D, 0x13, 0x01, 0x01, 0xFF, 0x04, 0x08, 0x30, 
		0x06, 0x01, 0x01, 0xFF, 0x02, 0x01, 0x03, 0x30, 0x0E, 0x06, 0x03, 0x55, 0x1D, 0x0F, 0x01, 0x01, 
		0xFF, 0x04, 0x04, 0x03, 0x02, 0x01, 0x06, 0x30, 0x0D, 0x06, 0x09, 0x2A, 0x86, 0x48, 0x86, 0xF7, 
		0x0D, 0x01, 0x01, 0x05, 0x05, 0x00, 0x03, 0x82, 0x01, 0x01, 0x00, 0x85, 0x0C, 0x5D, 0x8E, 0xE4, 
		0x6F, 0x51, 0x68, 0x42, 0x05, 0xA0, 0xDD, 0xBB, 0x4F, 0x27, 0x25, 0x84, 0x03, 0xBD, 0xF7, 0x64, 
		0xFD, 0x2D, 0xD7, 0x30, 0xE3, 0xA4, 0x10, 0x17, 0xEB, 0xDA, 0x29, 0x29, 0xB6, 0x79, 0x3F, 0x76, 
		0xF6, 0x19, 0x13, 0x23, 0xB8, 0x10, 0x0A, 0xF9, 0x58, 0xA4, 0xD4, 0x61, 0x70, 0xBD, 0x04, 0x61, 
		0x6A, 0x12, 0x8A, 0x17, 0xD5, 0x0A, 0xBD, 0xC5, 0xBC, 0x30, 0x7C, 0xD6, 0xE9, 0x0C, 0x25, 0x8D, 
		0x86, 0x40, 0x4F, 0xEC, 0xCC, 0xA3, 0x7E, 0x38, 0xC6, 0x37, 0x11, 0x4F, 0xED, 0xDD, 0x68, 0x31, 
		0x8E, 0x4C, 0xD2, 0xB3, 0x01, 0x74, 0xEE, 0xBE, 0x75, 0x5E, 0x07, 0x48, 0x1A, 0x7F, 0x70, 0xFF, 
		0x16, 0x5C, 0x84, 0xC0, 0x79, 0x85, 0xB8, 0x05, 0xFD, 0x7F, 0xBE, 0x65, 0x11, 0xA3, 0x0F, 0xC0, 
		0x02, 0xB4, 0xF8, 0x52, 0x37, 0x39, 0x04, 0xD5, 0xA9, 0x31, 0x7A, 0x18, 0xBF, 0xA0, 0x2A, 0xF4, 
		0x12, 0x99, 0xF7, 0xA3, 0x45, 0x82, 0xE3, 0x3C, 0x5E, 0xF5, 0x9D, 0x9E, 0xB5, 0xC8, 0x9E, 0x7C, 
		0x2E, 0xC8, 0xA4, 0x9E, 0x4E, 0x08, 0x14, 0x4B, 0x6D, 0xFD, 0x70, 0x6D, 0x6B, 0x1A, 0x63, 0xBD, 
		0x64, 0xE6, 0x1F, 0xB7, 0xCE, 0xF0, 0xF2, 0x9F, 0x2E, 0xBB, 0x1B, 0xB7, 0xF2, 0x50, 0x88, 0x73, 
		0x92, 0xC2, 0xE2, 0xE3, 0x16, 0x8D, 0x9A, 0x32, 0x02, 0xAB, 0x8E, 0x18, 0xDD, 0xE9, 0x10, 0x11, 
		0xEE, 0x7E, 0x35, 0xAB, 0x90, 0xAF, 0x3E, 0x30, 0x94, 0x7A, 0xD0, 0x33, 0x3D, 0xA7, 0x65, 0x0F, 
		0xF5, 0xFC, 0x8E, 0x9E, 0x62, 0xCF, 0x47, 0x44, 0x2C, 0x01, 0x5D, 0xBB, 0x1D, 0xB5, 0x32, 0xD2, 
		0x47, 0xD2, 0x38, 0x2E, 0xD0, 0xFE, 0x81, 0xDC, 0x32, 0x6A, 0x1E, 0xB5, 0xEE, 0x3C, 0xD5, 0xFC, 
		0xE7, 0x81, 0x1D, 0x19, 0xC3, 0x24, 0x42, 0xEA, 0x63, 0x39, 0xA9, 
	};
		write_data_object(CONFIG_OPTIGA_TRUST_M_TRUSTANCHOR_SLOT, trust_anchor, sizeof(trust_anchor));
#endif //Baltimore
#if 0
	/* DigiCert Global Root CA */
	// This cert should be used when connecting to Azure IoT on the https://portal.azure.cn Cloud address.
	
	const uint8_t trust_anchor[] = {
		0x30, 0x82, 0x03, 0xAF, 0x30, 0x82, 0x02, 0x97, 0xA0, 0x03, 0x02, 0x01, 0x02, 0x02, 0x10, 0x08, 
		0x3B, 0xE0, 0x56, 0x90, 0x42, 0x46, 0xB1, 0xA1, 0x75, 0x6A, 0xC9, 0x59, 0x91, 0xC7, 0x4A, 0x30, 
		0x0D, 0x06, 0x09, 0x2A, 0x86, 0x48, 0x86, 0xF7, 0x0D, 0x01, 0x01, 0x05, 0x05, 0x00, 0x30, 0x61, 
		0x31, 0x0B, 0x30, 0x09, 0x06, 0x03, 0x55, 0x04, 0x06, 0x13, 0x02, 0x55, 0x53, 0x31, 0x15, 0x30, 
		0x13, 0x06, 0x03, 0x55, 0x04, 0x0A, 0x13, 0x0C, 0x44, 0x69, 0x67, 0x69, 0x43, 0x65, 0x72, 0x74, 
		0x20, 0x49, 0x6E, 0x63, 0x31, 0x19, 0x30, 0x17, 0x06, 0x03, 0x55, 0x04, 0x0B, 0x13, 0x10, 0x77, 
		0x77, 0x77, 0x2E, 0x64, 0x69, 0x67, 0x69, 0x63, 0x65, 0x72, 0x74, 0x2E, 0x63, 0x6F, 0x6D, 0x31, 
		0x20, 0x30, 0x1E, 0x06, 0x03, 0x55, 0x04, 0x03, 0x13, 0x17, 0x44, 0x69, 0x67, 0x69, 0x43, 0x65, 
		0x72, 0x74, 0x20, 0x47, 0x6C, 0x6F, 0x62, 0x61, 0x6C, 0x20, 0x52, 0x6F, 0x6F, 0x74, 0x20, 0x43, 
		0x41, 0x30, 0x1E, 0x17, 0x0D, 0x30, 0x36, 0x31, 0x31, 0x31, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 
		0x30, 0x5A, 0x17, 0x0D, 0x33, 0x31, 0x31, 0x31, 0x31, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 
		0x5A, 0x30, 0x61, 0x31, 0x0B, 0x30, 0x09, 0x06, 0x03, 0x55, 0x04, 0x06, 0x13, 0x02, 0x55, 0x53, 
		0x31, 0x15, 0x30, 0x13, 0x06, 0x03, 0x55, 0x04, 0x0A, 0x13, 0x0C, 0x44, 0x69, 0x67, 0x69, 0x43, 
		0x65, 0x72, 0x74, 0x20, 0x49, 0x6E, 0x63, 0x31, 0x19, 0x30, 0x17, 0x06, 0x03, 0x55, 0x04, 0x0B, 
		0x13, 0x10, 0x77, 0x77, 0x77, 0x2E, 0x64, 0x69, 0x67, 0x69, 0x63, 0x65, 0x72, 0x74, 0x2E, 0x63, 
		0x6F, 0x6D, 0x31, 0x20, 0x30, 0x1E, 0x06, 0x03, 0x55, 0x04, 0x03, 0x13, 0x17, 0x44, 0x69, 0x67, 
		0x69, 0x43, 0x65, 0x72, 0x74, 0x20, 0x47, 0x6C, 0x6F, 0x62, 0x61, 0x6C, 0x20, 0x52, 0x6F, 0x6F, 
		0x74, 0x20, 0x43, 0x41, 0x30, 0x82, 0x01, 0x22, 0x30, 0x0D, 0x06, 0x09, 0x2A, 0x86, 0x48, 0x86, 
		0xF7, 0x0D, 0x01, 0x01, 0x01, 0x05, 0x00, 0x03, 0x82, 0x01, 0x0F, 0x00, 0x30, 0x82, 0x01, 0x0A, 
		0x02, 0x82, 0x01, 0x01, 0x00, 0xE2, 0x3B, 0xE1, 0x11, 0x72, 0xDE, 0xA8, 0xA4, 0xD3, 0xA3, 0x57, 
		0xAA, 0x50, 0xA2, 0x8F, 0x0B, 0x77, 0x90, 0xC9, 0xA2, 0xA5, 0xEE, 0x12, 0xCE, 0x96, 0x5B, 0x01, 
		0x09, 0x20, 0xCC, 0x01, 0x93, 0xA7, 0x4E, 0x30, 0xB7, 0x53, 0xF7, 0x43, 0xC4, 0x69, 0x00, 0x57, 
		0x9D, 0xE2, 0x8D, 0x22, 0xDD, 0x87, 0x06, 0x40, 0x00, 0x81, 0x09, 0xCE, 0xCE, 0x1B, 0x83, 0xBF, 
		0xDF, 0xCD, 0x3B, 0x71, 0x46, 0xE2, 0xD6, 0x66, 0xC7, 0x05, 0xB3, 0x76, 0x27, 0x16, 0x8F, 0x7B, 
		0x9E, 0x1E, 0x95, 0x7D, 0xEE, 0xB7, 0x48, 0xA3, 0x08, 0xDA, 0xD6, 0xAF, 0x7A, 0x0C, 0x39, 0x06, 
		0x65, 0x7F, 0x4A, 0x5D, 0x1F, 0xBC, 0x17, 0xF8, 0xAB, 0xBE, 0xEE, 0x28, 0xD7, 0x74, 0x7F, 0x7A, 
		0x78, 0x99, 0x59, 0x85, 0x68, 0x6E, 0x5C, 0x23, 0x32, 0x4B, 0xBF, 0x4E, 0xC0, 0xE8, 0x5A, 0x6D, 
		0xE3, 0x70, 0xBF, 0x77, 0x10, 0xBF, 0xFC, 0x01, 0xF6, 0x85, 0xD9, 0xA8, 0x44, 0x10, 0x58, 0x32, 
		0xA9, 0x75, 0x18, 0xD5, 0xD1, 0xA2, 0xBE, 0x47, 0xE2, 0x27, 0x6A, 0xF4, 0x9A, 0x33, 0xF8, 0x49, 
		0x08, 0x60, 0x8B, 0xD4, 0x5F, 0xB4, 0x3A, 0x84, 0xBF, 0xA1, 0xAA, 0x4A, 0x4C, 0x7D, 0x3E, 0xCF, 
		0x4F, 0x5F, 0x6C, 0x76, 0x5E, 0xA0, 0x4B, 0x37, 0x91, 0x9E, 0xDC, 0x22, 0xE6, 0x6D, 0xCE, 0x14, 
		0x1A, 0x8E, 0x6A, 0xCB, 0xFE, 0xCD, 0xB3, 0x14, 0x64, 0x17, 0xC7, 0x5B, 0x29, 0x9E, 0x32, 0xBF, 
		0xF2, 0xEE, 0xFA, 0xD3, 0x0B, 0x42, 0xD4, 0xAB, 0xB7, 0x41, 0x32, 0xDA, 0x0C, 0xD4, 0xEF, 0xF8, 
		0x81, 0xD5, 0xBB, 0x8D, 0x58, 0x3F, 0xB5, 0x1B, 0xE8, 0x49, 0x28, 0xA2, 0x70, 0xDA, 0x31, 0x04, 
		0xDD, 0xF7, 0xB2, 0x16, 0xF2, 0x4C, 0x0A, 0x4E, 0x07, 0xA8, 0xED, 0x4A, 0x3D, 0x5E, 0xB5, 0x7F, 
		0xA3, 0x90, 0xC3, 0xAF, 0x27, 0x02, 0x03, 0x01, 0x00, 0x01, 0xA3, 0x63, 0x30, 0x61, 0x30, 0x0E, 
		0x06, 0x03, 0x55, 0x1D, 0x0F, 0x01, 0x01, 0xFF, 0x04, 0x04, 0x03, 0x02, 0x01, 0x86, 0x30, 0x0F, 
		0x06, 0x03, 0x55, 0x1D, 0x13, 0x01, 0x01, 0xFF, 0x04, 0x05, 0x30, 0x03, 0x01, 0x01, 0xFF, 0x30, 
		0x1D, 0x06, 0x03, 0x55, 0x1D, 0x0E, 0x04, 0x16, 0x04, 0x14, 0x03, 0xDE, 0x50, 0x35, 0x56, 0xD1, 
		0x4C, 0xBB, 0x66, 0xF0, 0xA3, 0xE2, 0x1B, 0x1B, 0xC3, 0x97, 0xB2, 0x3D, 0xD1, 0x55, 0x30, 0x1F, 
		0x06, 0x03, 0x55, 0x1D, 0x23, 0x04, 0x18, 0x30, 0x16, 0x80, 0x14, 0x03, 0xDE, 0x50, 0x35, 0x56, 
		0xD1, 0x4C, 0xBB, 0x66, 0xF0, 0xA3, 0xE2, 0x1B, 0x1B, 0xC3, 0x97, 0xB2, 0x3D, 0xD1, 0x55, 0x30, 
		0x0D, 0x06, 0x09, 0x2A, 0x86, 0x48, 0x86, 0xF7, 0x0D, 0x01, 0x01, 0x05, 0x05, 0x00, 0x03, 0x82, 
		0x01, 0x01, 0x00, 0xCB, 0x9C, 0x37, 0xAA, 0x48, 0x13, 0x12, 0x0A, 0xFA, 0xDD, 0x44, 0x9C, 0x4F, 
		0x52, 0xB0, 0xF4, 0xDF, 0xAE, 0x04, 0xF5, 0x79, 0x79, 0x08, 0xA3, 0x24, 0x18, 0xFC, 0x4B, 0x2B, 
		0x84, 0xC0, 0x2D, 0xB9, 0xD5, 0xC7, 0xFE, 0xF4, 0xC1, 0x1F, 0x58, 0xCB, 0xB8, 0x6D, 0x9C, 0x7A, 
		0x74, 0xE7, 0x98, 0x29, 0xAB, 0x11, 0xB5, 0xE3, 0x70, 0xA0, 0xA1, 0xCD, 0x4C, 0x88, 0x99, 0x93, 
		0x8C, 0x91, 0x70, 0xE2, 0xAB, 0x0F, 0x1C, 0xBE, 0x93, 0xA9, 0xFF, 0x63, 0xD5, 0xE4, 0x07, 0x60, 
		0xD3, 0xA3, 0xBF, 0x9D, 0x5B, 0x09, 0xF1, 0xD5, 0x8E, 0xE3, 0x53, 0xF4, 0x8E, 0x63, 0xFA, 0x3F, 
		0xA7, 0xDB, 0xB4, 0x66, 0xDF, 0x62, 0x66, 0xD6, 0xD1, 0x6E, 0x41, 0x8D, 0xF2, 0x2D, 0xB5, 0xEA, 
		0x77, 0x4A, 0x9F, 0x9D, 0x58, 0xE2, 0x2B, 0x59, 0xC0, 0x40, 0x23, 0xED, 0x2D, 0x28, 0x82, 0x45, 
		0x3E, 0x79, 0x54, 0x92, 0x26, 0x98, 0xE0, 0x80, 0x48, 0xA8, 0x37, 0xEF, 0xF0, 0xD6, 0x79, 0x60, 
		0x16, 0xDE, 0xAC, 0xE8, 0x0E, 0xCD, 0x6E, 0xAC, 0x44, 0x17, 0x38, 0x2F, 0x49, 0xDA, 0xE1, 0x45, 
		0x3E, 0x2A, 0xB9, 0x36, 0x53, 0xCF, 0x3A, 0x50, 0x06, 0xF7, 0x2E, 0xE8, 0xC4, 0x57, 0x49, 0x6C, 
		0x61, 0x21, 0x18, 0xD5, 0x04, 0xAD, 0x78, 0x3C, 0x2C, 0x3A, 0x80, 0x6B, 0xA7, 0xEB, 0xAF, 0x15, 
		0x14, 0xE9, 0xD8, 0x89, 0xC1, 0xB9, 0x38, 0x6C, 0xE2, 0x91, 0x6C, 0x8A, 0xFF, 0x64, 0xB9, 0x77, 
		0x25, 0x57, 0x30, 0xC0, 0x1B, 0x24, 0xA3, 0xE1, 0xDC, 0xE9, 0xDF, 0x47, 0x7C, 0xB5, 0xB4, 0x24, 
		0x08, 0x05, 0x30, 0xEC, 0x2D, 0xBD, 0x0B, 0xBF, 0x45, 0xBF, 0x50, 0xB9, 0xA9, 0xF3, 0xEB, 0x98, 
		0x01, 0x12, 0xAD, 0xC8, 0x88, 0xC6, 0x98, 0x34, 0x5F, 0x8D, 0x0A, 0x3C, 0xC6, 0xE9, 0xD5, 0x95, 
		0x95, 0x6D, 0xDE, 
	};
		write_data_object(CONFIG_OPTIGA_TRUST_M_TRUSTANCHOR_SLOT, trust_anchor, sizeof(trust_anchor));
#endif //DigiCert Global Root CA
#if 0
	/* D-TRUST Root Class 3 CA 2 2009 */
	// This cert should be used when connecting to Azure IoT on the https://portal.microsoftazure.de Cloud address.	
	const uint8_t trust_anchor[] ={
		0x30, 0x82, 0x04, 0x33, 0x30, 0x82, 0x03, 0x1B, 0xA0, 0x03, 0x02, 0x01, 0x02, 0x02, 0x03, 0x09, 
		0x83, 0xF3, 0x30, 0x0D, 0x06, 0x09, 0x2A, 0x86, 0x48, 0x86, 0xF7, 0x0D, 0x01, 0x01, 0x0B, 0x05, 
		0x00, 0x30, 0x4D, 0x31, 0x0B, 0x30, 0x09, 0x06, 0x03, 0x55, 0x04, 0x06, 0x13, 0x02, 0x44, 0x45, 
		0x31, 0x15, 0x30, 0x13, 0x06, 0x03, 0x55, 0x04, 0x0A, 0x0C, 0x0C, 0x44, 0x2D, 0x54, 0x72, 0x75, 
		0x73, 0x74, 0x20, 0x47, 0x6D, 0x62, 0x48, 0x31, 0x27, 0x30, 0x25, 0x06, 0x03, 0x55, 0x04, 0x03, 
		0x0C, 0x1E, 0x44, 0x2D, 0x54, 0x52, 0x55, 0x53, 0x54, 0x20, 0x52, 0x6F, 0x6F, 0x74, 0x20, 0x43, 
		0x6C, 0x61, 0x73, 0x73, 0x20, 0x33, 0x20, 0x43, 0x41, 0x20, 0x32, 0x20, 0x32, 0x30, 0x30, 0x39, 
		0x30, 0x1E, 0x17, 0x0D, 0x30, 0x39, 0x31, 0x31, 0x30, 0x35, 0x30, 0x38, 0x33, 0x35, 0x35, 0x38, 
		0x5A, 0x17, 0x0D, 0x32, 0x39, 0x31, 0x31, 0x30, 0x35, 0x30, 0x38, 0x33, 0x35, 0x35, 0x38, 0x5A, 
		0x30, 0x4D, 0x31, 0x0B, 0x30, 0x09, 0x06, 0x03, 0x55, 0x04, 0x06, 0x13, 0x02, 0x44, 0x45, 0x31, 
		0x15, 0x30, 0x13, 0x06, 0x03, 0x55, 0x04, 0x0A, 0x0C, 0x0C, 0x44, 0x2D, 0x54, 0x72, 0x75, 0x73, 
		0x74, 0x20, 0x47, 0x6D, 0x62, 0x48, 0x31, 0x27, 0x30, 0x25, 0x06, 0x03, 0x55, 0x04, 0x03, 0x0C, 
		0x1E, 0x44, 0x2D, 0x54, 0x52, 0x55, 0x53, 0x54, 0x20, 0x52, 0x6F, 0x6F, 0x74, 0x20, 0x43, 0x6C, 
		0x61, 0x73, 0x73, 0x20, 0x33, 0x20, 0x43, 0x41, 0x20, 0x32, 0x20, 0x32, 0x30, 0x30, 0x39, 0x30, 
		0x82, 0x01, 0x22, 0x30, 0x0D, 0x06, 0x09, 0x2A, 0x86, 0x48, 0x86, 0xF7, 0x0D, 0x01, 0x01, 0x01, 
		0x05, 0x00, 0x03, 0x82, 0x01, 0x0F, 0x00, 0x30, 0x82, 0x01, 0x0A, 0x02, 0x82, 0x01, 0x01, 0x00, 
		0xD3, 0xB2, 0x4A, 0xCF, 0x7A, 0x47, 0xEF, 0x75, 0x9B, 0x23, 0xFA, 0x3A, 0x2F, 0xD6, 0x50, 0x45, 
		0x89, 0x35, 0x3A, 0xC6, 0x6B, 0xDB, 0xFE, 0xDB, 0x00, 0x68, 0xA8, 0xE0, 0x03, 0x11, 0x1D, 0x37, 
		0x50, 0x08, 0x9F, 0x4D, 0x4A, 0x68, 0x94, 0x35, 0xB3, 0x53, 0xD1, 0x94, 0x63, 0xA7, 0x20, 0x56, 
		0xAF, 0xDE, 0x51, 0x78, 0xEC, 0x2A, 0x3D, 0xF3, 0x48, 0x48, 0x50, 0x3E, 0x0A, 0xDF, 0x46, 0x55, 
		0x8B, 0x27, 0x6D, 0xC3, 0x10, 0x4D, 0x0D, 0x91, 0x52, 0x43, 0xD8, 0x87, 0xE0, 0x5D, 0x4E, 0x36, 
		0xB5, 0x21, 0xCA, 0x5F, 0x39, 0x40, 0x04, 0x5F, 0x5B, 0x7E, 0xCC, 0xA3, 0xC6, 0x2B, 0xA9, 0x40, 
		0x1E, 0xD9, 0x36, 0x84, 0xD6, 0x48, 0xF3, 0x92, 0x1E, 0x34, 0x46, 0x20, 0x24, 0xC1, 0xA4, 0x51, 
		0x8E, 0x4A, 0x1A, 0xEF, 0x50, 0x3F, 0x69, 0x5D, 0x19, 0x7F, 0x45, 0xC3, 0xC7, 0x01, 0x8F, 0x51, 
		0xC9, 0x23, 0xE8, 0x72, 0xAE, 0xB4, 0xBC, 0x56, 0x09, 0x7F, 0x12, 0xCB, 0x1C, 0xB1, 0xAF, 0x29, 
		0x90, 0x0A, 0xC9, 0x55, 0xCC, 0x0F, 0xD3, 0xB4, 0x1A, 0xED, 0x47, 0x35, 0x5A, 0x4A, 0xED, 0x9C, 
		0x73, 0x04, 0x21, 0xD0, 0xAA, 0xBD, 0x0C, 0x13, 0xB5, 0x00, 0xCA, 0x26, 0x6C, 0xC4, 0x6B, 0x0C, 
		0x94, 0x5A, 0x95, 0x94, 0xDA, 0x50, 0x9A, 0xF1, 0xFF, 0xA5, 0x2B, 0x66, 0x31, 0xA4, 0xC9, 0x38, 
		0xA0, 0xDF, 0x1D, 0x1F, 0xB8, 0x09, 0x2E, 0xF3, 0xA7, 0xE8, 0x67, 0x52, 0xAB, 0x95, 0x1F, 0xE0, 
		0x46, 0x3E, 0xD8, 0xA4, 0xC3, 0xCA, 0x5A, 0xC5, 0x31, 0x80, 0xE8, 0x48, 0x9A, 0x9F, 0x94, 0x69, 
		0xFE, 0x19, 0xDD, 0xD8, 0x73, 0x7C, 0x81, 0xCA, 0x96, 0xDE, 0x8E, 0xED, 0xB3, 0x32, 0x05, 0x65, 
		0x84, 0x34, 0xE6, 0xE6, 0xFD, 0x57, 0x10, 0xB5, 0x5F, 0x76, 0xBF, 0x2F, 0xB0, 0x10, 0x0D, 0xC5, 
		0x02, 0x03, 0x01, 0x00, 0x01, 0xA3, 0x82, 0x01, 0x1A, 0x30, 0x82, 0x01, 0x16, 0x30, 0x0F, 0x06, 
		0x03, 0x55, 0x1D, 0x13, 0x01, 0x01, 0xFF, 0x04, 0x05, 0x30, 0x03, 0x01, 0x01, 0xFF, 0x30, 0x1D, 
		0x06, 0x03, 0x55, 0x1D, 0x0E, 0x04, 0x16, 0x04, 0x14, 0xFD, 0xDA, 0x14, 0xC4, 0x9F, 0x30, 0xDE, 
		0x21, 0xBD, 0x1E, 0x42, 0x39, 0xFC, 0xAB, 0x63, 0x23, 0x49, 0xE0, 0xF1, 0x84, 0x30, 0x0E, 0x06, 
		0x03, 0x55, 0x1D, 0x0F, 0x01, 0x01, 0xFF, 0x04, 0x04, 0x03, 0x02, 0x01, 0x06, 0x30, 0x81, 0xD3, 
		0x06, 0x03, 0x55, 0x1D, 0x1F, 0x04, 0x81, 0xCB, 0x30, 0x81, 0xC8, 0x30, 0x81, 0x80, 0xA0, 0x7E, 
		0xA0, 0x7C, 0x86, 0x7A, 0x6C, 0x64, 0x61, 0x70, 0x3A, 0x2F, 0x2F, 0x64, 0x69, 0x72, 0x65, 0x63, 
		0x74, 0x6F, 0x72, 0x79, 0x2E, 0x64, 0x2D, 0x74, 0x72, 0x75, 0x73, 0x74, 0x2E, 0x6E, 0x65, 0x74, 
		0x2F, 0x43, 0x4E, 0x3D, 0x44, 0x2D, 0x54, 0x52, 0x55, 0x53, 0x54, 0x25, 0x32, 0x30, 0x52, 0x6F, 
		0x6F, 0x74, 0x25, 0x32, 0x30, 0x43, 0x6C, 0x61, 0x73, 0x73, 0x25, 0x32, 0x30, 0x33, 0x25, 0x32, 
		0x30, 0x43, 0x41, 0x25, 0x32, 0x30, 0x32, 0x25, 0x32, 0x30, 0x32, 0x30, 0x30, 0x39, 0x2C, 0x4F, 
		0x3D, 0x44, 0x2D, 0x54, 0x72, 0x75, 0x73, 0x74, 0x25, 0x32, 0x30, 0x47, 0x6D, 0x62, 0x48, 0x2C, 
		0x43, 0x3D, 0x44, 0x45, 0x3F, 0x63, 0x65, 0x72, 0x74, 0x69, 0x66, 0x69, 0x63, 0x61, 0x74, 0x65, 
		0x72, 0x65, 0x76, 0x6F, 0x63, 0x61, 0x74, 0x69, 0x6F, 0x6E, 0x6C, 0x69, 0x73, 0x74, 0x30, 0x43, 
		0xA0, 0x41, 0xA0, 0x3F, 0x86, 0x3D, 0x68, 0x74, 0x74, 0x70, 0x3A, 0x2F, 0x2F, 0x77, 0x77, 0x77, 
		0x2E, 0x64, 0x2D, 0x74, 0x72, 0x75, 0x73, 0x74, 0x2E, 0x6E, 0x65, 0x74, 0x2F, 0x63, 0x72, 0x6C, 
		0x2F, 0x64, 0x2D, 0x74, 0x72, 0x75, 0x73, 0x74, 0x5F, 0x72, 0x6F, 0x6F, 0x74, 0x5F, 0x63, 0x6C, 
		0x61, 0x73, 0x73, 0x5F, 0x33, 0x5F, 0x63, 0x61, 0x5F, 0x32, 0x5F, 0x32, 0x30, 0x30, 0x39, 0x2E, 
		0x63, 0x72, 0x6C, 0x30, 0x0D, 0x06, 0x09, 0x2A, 0x86, 0x48, 0x86, 0xF7, 0x0D, 0x01, 0x01, 0x0B, 
		0x05, 0x00, 0x03, 0x82, 0x01, 0x01, 0x00, 0x7F, 0x97, 0xDB, 0x30, 0xC8, 0xDF, 0xA4, 0x9C, 0x7D, 
		0x21, 0x7A, 0x80, 0x70, 0xCE, 0x14, 0x12, 0x69, 0x88, 0x14, 0x95, 0x60, 0x44, 0x01, 0xAC, 0xB2, 
		0xE9, 0x30, 0x4F, 0x9B, 0x50, 0xC2, 0x66, 0xD8, 0x7E, 0x8D, 0x30, 0xB5, 0x70, 0x31, 0xE9, 0xE2, 
		0x69, 0xC7, 0xF3, 0x70, 0xDB, 0x20, 0x15, 0x86, 0xD0, 0x0D, 0xF0, 0xBE, 0xAC, 0x01, 0x75, 0x84, 
		0xCE, 0x7E, 0x9F, 0x4D, 0xBF, 0xB7, 0x60, 0x3B, 0x9C, 0xF3, 0xCA, 0x1D, 0xE2, 0x5E, 0x68, 0xD8, 
		0xA3, 0x9D, 0x97, 0xE5, 0x40, 0x60, 0xD2, 0x36, 0x21, 0xFE, 0xD0, 0xB4, 0xB8, 0x17, 0xDA, 0x74, 
		0xA3, 0x7F, 0xD4, 0xDF, 0xB0, 0x98, 0x02, 0xAC, 0x6F, 0x6B, 0x6B, 0x2C, 0x25, 0x24, 0x72, 0xA1, 
		0x65, 0xEE, 0x25, 0x5A, 0xE5, 0xE6, 0x32, 0xE7, 0xF2, 0xDF, 0xAB, 0x49, 0xFA, 0xF3, 0x90, 0x69, 
		0x23, 0xDB, 0x04, 0xD9, 0xE7, 0x5C, 0x58, 0xFC, 0x65, 0xD4, 0x97, 0xBE, 0xCC, 0xFC, 0x2E, 0x0A, 
		0xCC, 0x25, 0x2A, 0x35, 0x04, 0xF8, 0x60, 0x91, 0x15, 0x75, 0x3D, 0x41, 0xFF, 0x23, 0x1F, 0x19, 
		0xC8, 0x6C, 0xEB, 0x82, 0x53, 0x04, 0xA6, 0xE4, 0x4C, 0x22, 0x4D, 0x8D, 0x8C, 0xBA, 0xCE, 0x5B, 
		0x73, 0xEC, 0x64, 0x54, 0x50, 0x6D, 0xD1, 0x9C, 0x55, 0xFB, 0x69, 0xC3, 0x36, 0xC3, 0x8C, 0xBC, 
		0x3C, 0x85, 0xA6, 0x6B, 0x0A, 0x26, 0x0D, 0xE0, 0x93, 0x98, 0x60, 0xAE, 0x7E, 0xC6, 0x24, 0x97, 
		0x8A, 0x61, 0x5F, 0x91, 0x8E, 0x66, 0x92, 0x09, 0x87, 0x36, 0xCD, 0x8B, 0x9B, 0x2D, 0x3E, 0xF6, 
		0x51, 0xD4, 0x50, 0xD4, 0x59, 0x28, 0xBD, 0x83, 0xF2, 0xCC, 0x28, 0x7B, 0x53, 0x86, 0x6D, 0xD8, 
		0x26, 0x88, 0x70, 0xD7, 0xEA, 0x91, 0xCD, 0x3E, 0xB9, 0xCA, 0xC0, 0x90, 0x6E, 0x5A, 0xC6, 0x5E, 
		0x74, 0x65, 0xD7, 0x5C, 0xFE, 0xA3, 0xE2, 		
	};
	write_data_object(CONFIG_OPTIGA_TRUST_M_TRUSTANCHOR_SLOT, trust_anchor, sizeof(trust_anchor));
#endif //D-TRUST Root Class 3 CA 2 2009
#if 0

	/* User can provide a specific server certificate here and can load in any data object of optiga */
	const uint8_t trust_anchor[] = {
		
		               //provide region specific server root CA certificate  
	};
	 write_data_object(CONFIG_OPTIGA_TRUST_M_TRUSTANCHOR_SLOT, trust_anchor, sizeof(trust_anchor));
#endif //Region Specific Certificate 
}

static void write_platform_binding_secret (void)
{
    //Platform binding shared secret for example purpose
    const uint8_t platform_binding_shared_secret [] = {
        0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 
        0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x10,
        0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 
        0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F, 0x20,
        0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 
        0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, 0x2F, 0x30,
        0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 
        0x39, 0x3A, 0x3B, 0x3C, 0x3D, 0x3E, 0x3F, 0x40
    };
    
    write_data_object (0xE140, platform_binding_shared_secret, sizeof(platform_binding_shared_secret));
}

static void write_set_high_performance (void)
{
    const uint8_t current_limit [] = {
    0x0F,
    };
    
    write_data_object (0xE0C4, current_limit, sizeof(current_limit));
}

void optiga_trust_init(void)
{
    optiga_lib_status_t return_status;
    optiga_util_t * me_util = NULL;

    pal_os_event_init();

	OPTIGA_UTIL_LOG_MESSAGE("OPTIGA Trust initialization");
	
    do
    {
        //Create an instance of optiga_util to open the application on OPTIGA.
        me_util = optiga_util_create(0, optiga_util_callback, NULL);
        if(!me_util)
        {
            OPTIGA_UTIL_LOG_MESSAGE ("optiga_util_create failed !!!");
            break;
        }

		
        optiga_lib_status = OPTIGA_LIB_BUSY;
        return_status = optiga_util_open_application(me_util, 0);
        {
            if (OPTIGA_LIB_SUCCESS != return_status)
            {
                //optiga_util_open_application api returns error !!!
                OPTIGA_UTIL_LOG_MESSAGE ("optiga_util_open_application api returns error !!!");
                break;
            }
            
            while (optiga_lib_status == OPTIGA_LIB_BUSY);
            if (OPTIGA_LIB_SUCCESS != optiga_lib_status)
            {
                //optiga_util_open_application failed
                OPTIGA_UTIL_LOG_MESSAGE ("optiga_util_open_application failed");
                break;
            }
        }

		
		
		//The below specified functions can be used to personalize OPTIGA w.r.t
		//certificates, Trust Anchors, etc.
		
        //write_device_certificate ();
        //write_set_high_performance();  //setting current limitation to 15mA
        //write_platform_binding_secret ();  
        //read_certificate ();
		//write_optiga_trust_anchor();  //can be used to write server root certificate to optiga data object

		
        OPTIGA_UTIL_LOG_MESSAGE("OPTIGA Trust initialization is successful");
    }while(0);

    //me_util instance can be destroyed 
    //if no close_application w.r.t hibernate is required to be performed
    if (me_util)
    {
        optiga_util_destroy(me_util);
    }
}

/**
* @}
*/
